石川 勝博. A study of mobile e-mail communication by university students: the relationship between mobile e-mail use and the dysfunctional aspects of mobile communication. Human science. 2007. 24. 2. 15-28

- 2001 International Christian University Graduate School, Division of Education

- 2001 International Christian University Graduate School, Division of Education Methodology of Education

- 1992 Dokkyo University Faculty of Foreign Languages Department of English

- 1992 Dokkyo University Faculty of Foreign Language Department of English

Professional career (2)：

Doctor of Philosophy in Educaion (International Christian University)

Master of Arts in Education (International Christian University)

Work history (12)：

2012/10 - 現在 Ibaraki University

2005 - 現在 International Christian University

2009 - University of Tsukuba

2008 - International Christian University

2002 - 2004 University of Tsukuba

2001 - 2002 Saitama Gakuen University

2001 - 2002 Part Time Lecture Saitama Gakuen University

1992 - 2002 International Christian University

1992 - 2002 Part Time Assistant in International

Division of Education

Liveral Arts and Graduate School of

Christian University in College of

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Association Membership(s) (7)：

THE JAPAN SOCIETY FOR INFORMATION AND COMMUNICATION RESEARCH
, THE JAPAN SOCIETY FOR STUDIES IN JOURNALISM AND MASS COMMUNICATION
, Japan Association of Informetion and Communication Research
, JAPAN ASSOCIATION FOR EDUCATIONAL MEDIA STUDY
, THE JAPAN SOCIETY FOR CHILD STUDY
, THE JAPAN SOCIETY OF EDUCATIONAL SOCIOLOGY
, The Japan Society for Studies in Journalism and Mass Communication